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  <h1 class="topictitle1">数据库拓扑结构不一致导致GBase恢复任务失败</h1>
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    <h4 class="sectiontitle">问题现象</h4>
    <p>执行GBase增量副本新位置恢复失败，失败事件的错误码“1577212932”。</p>
   </div>
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    <h4 class="sectiontitle">可能原因</h4>
    <p>备份副本与恢复目标位置的数据库拓扑结构不一致。</p>
   </div>
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    <h4 class="sectiontitle">处理步骤</h4>
    <ol>
     <li><span>分别登录备份副本和恢复目标位置数据库。执行以下命令，切换到数据库视图。</span><p></p><pre class="screen">su - <em>数据库用户名</em></pre> <pre class="screen">gccli</pre> <p></p></li>
     <li><span>分别在两个数据库中执行以下命令，查看节点信息。</span><p></p><pre class="screen">show nodes;</pre> <p>查看回显信息的<strong>primary part</strong>和<strong>duplicate part</strong>参数信息，比较两个数据库的参数信息是否一致：</p> <p><span><img src="zh-cn_image_0000002200098049.png"></span></p>
      <ul>
       <li>不一致，表示两个数据库拓扑结构不同，用户需要确保两个数据库的拓扑结构相同。</li>
       <li>一致，请联系华为技术支持工程师协助处理。</li>
      </ul> <p></p></li>
    </ol>
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